Calculate the velocity of the bottom point of the wheel for perfect rolling using the data: r=20 cm, ω=100 rad/sec.

Calculate the velocity of the bottom point of the wheel for perfect r

1.	Calculate the velocity of the bottom point of the wheel for perfect rolling using the data: r=20 cm, ω=100 rad/sec.
A.	20 m/sec
B.	40 m/sec
C.	60 m/sec
D.	80 m/sec
Answer» B. 40 m/sec